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Author Question: Suppose you were to read about a study showing that people who sleep less than five hours a night ... (Read 75 times)

Wadzanai

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Suppose you were to read about a study showing that people who sleep less than five hours a night have twice as much risk of a premature death as people who sleep seven or eight hours a night.The baseline risk in this context is
 a. the risk of premature death for people who sleep less than five hours a night.
  b. the risk of premature death for people who sleep seven or eight hours a night.
  c. the risk of premature death for all people.
  d. the risk of premature death at the beginning of the study for those in the study.

Question 2

Suppose you were to read about a study showing that people who sleep less than five hours a night have twice as much risk of a premature death as people who sleep seven or eight hours a night.Can you conclude that sleeping the shorter hours causes a higher risk of premature death?
 a. No, because the result was clearly based on an observational study.
  b. Yes, because the result was clearly based on a randomized experiment.
  c. The answer depends on whether the research was based on an observational study or a randomized experiment, and it isn't obvious which was used.
  d. No, because the baseline risk of premature death is not given.



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cloud

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Answer to Question 1

B

Answer to Question 2

A




Wadzanai

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Reply 2 on: Jul 24, 2018
:D TYSM


ryhom

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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